use binary mode for win files

configure.ac

@@ -69,7 +69,7 @@ AC_FUNC_MALLOC
 AC_FUNC_REALLOC
 AC_FUNC_STRTOD
 AC_CHECK_FUNCS([memchr memmove memset strerror strtol sched_getaffinity sysconf
-  GetSystemInfo])
+  GetSystemInfo _setmode])
 AC_CHECK_HEADER([sys/endian.h],
                [
                  AC_CHECK_DECLS([htole64, le64toh], [], [], [

src/pixz.c

@@ -164,6 +164,12 @@ int main(int argc, char **argv) {
       }
     }
 
+#ifdef HAVE__SETMODE
+    // Set files to binary encoding
+    _setmode(_fileno(gInFile), O_BINARY);
+    _setmode(_fileno(gOutFile), O_BINARY);
+#endif
+
     switch (op) {
         case OP_WRITE:
 			if (isatty(fileno(gOutFile)) == 1)